CN102168611A - Assembly structure of shaft - Google Patents

Assembly structure of shaft Download PDF

Info

Publication number
CN102168611A
CN102168611A CN2011100446663A CN201110044666A CN102168611A CN 102168611 A CN102168611 A CN 102168611A CN 2011100446663 A CN2011100446663 A CN 2011100446663A CN 201110044666 A CN201110044666 A CN 201110044666A CN 102168611 A CN102168611 A CN 102168611A
Authority
CN
China
Prior art keywords
axle
casing
driven shaft
driven gear
shaft
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN2011100446663A
Other languages
Chinese (zh)
Other versions
CN102168611B (en
Inventor
高桥明
山代隼人
小笠原诚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Honda Motor Co Ltd
Original Assignee
Honda Motor Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Honda Motor Co Ltd filed Critical Honda Motor Co Ltd
Publication of CN102168611A publication Critical patent/CN102168611A/en
Application granted granted Critical
Publication of CN102168611B publication Critical patent/CN102168611B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Lubrication Of Internal Combustion Engines (AREA)
  • Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
  • General Details Of Gearings (AREA)

Abstract

Provided is an assembly structure of a shaft, which can realize miniaturization and improve assembling work. The assembly structure of a shaft (40) comprises a driving shaft (41), a casing (42) supporting the driving shaft (41), a cover (44) covering the casing (42), an auxiliary device (60) disposed on the cover (44), a driven shaft (65) which drives the auxiliary device (60) and supports the cover (44) in a manner of being parallel with the driving shaft (41), a driving wheel (48) supporting the driving shaft (41), a driven gear (50) which is engaged with the driving wheel (48), and supports the driven shaft (65) in a manner of integral rotation, and overlaps in an axial direction, a projection (49) protruding along the axial or radial direction of the driven shaft (65), a recess (53) which recesses towards the axial direction in a manner of accommodating the projection (49) and is disposed at the side of the casing; and a guiding face (54) which is connected to the recess (53) and is disposed at the side of the casing and guides the projection (49) in a manner that the projection (49) is embedded in the recess (53).

Description

The assembly structure of axle
Technical field
The present invention relates to the live axle of internal-combustion engine and the assembly structure of driven shaft.
Background technique
At present, a kind of assembly structure of axle of internal-combustion engine is disclosed in patent documentation 1, promptly, supplementary equipment (Fill Machine such as oil pump are set) on case lid, with bent axle be live axle and the driven shaft that is used to drive oil pump etc. is configured in same axis, by the chimeric assembling (with reference to No. 2779695 communique of Japan Patent) of carrying out live axle and driven shaft of spline.
Patent documentation 1: No. 2779695 communique of Japan Patent
In the assembly structure of this live axle and driven shaft, because it is chimeric by spline and driven shaft that will drive oil pump is assembled to an end of live axle, therefore make that the width of motor is corresponding to have increased the part corresponding with the length of this driven shaft, motor is maximized.In addition, owing to must in advance oil pump be installed on the case lid, case lid is engaged with crankcase, make and be arranged on the driven shaft end and the inner wheel hub that is formed with spline tooth is embedded in the splined shaft that is formed at driveshaft end, therefore need be from the position relation of narrow gap range estimation live axle and driven shaft between crankcase and the case lid, must make the splined shaft of live axle and the wheel hub tabling of driven shaft, the assembling work difficulty of live axle and driven shaft.
Summary of the invention
The present invention makes for solving above-mentioned problem.The assembly structure of the axle of first invention is characterised in that to have: live axle; Support the casing of described live axle; Cover the lid in the axial outside of the live axle of described casing; Be arranged on the described supplementary equipment that covers; Driven shaft, itself and described live axle are supported on described covering abreast, drive described supplementary equipment; Be supported in the actuation gear of described live axle; Driven gear, the engagement of itself and described actuation gear, but one is supported in described driven shaft rotatably, thus with described driven shaft overlapping configuration in the axial direction; Axially or radially outstanding protuberance towards described driven shaft; Recess, it can accommodate described protuberance towards axial depression, is arranged on the casing side when described lid is assembled to described casing; Guide surface, itself and described recess are continuous, are arranged on the casing side when described lid is assembled to described casing, to described protuberance channeling conduct, so that described protuberance embeds described recess.
The assembly structure of the axle of second invention is that described recess is arranged on the described driven gear on the basis of first invention, and described guide surface is arranged on the described driven gear.
The assembly structure of the axle of the 3rd invention is on the basis of second invention, described protuberance is towards radially outstanding cylindric pin parts, be arranged on the described driven shaft, described driven gear and the engagement of described actuation gear, interim support (Provisional support) is in casing, described guide surface is made of the conical surface that comes to a point towards described driven shaft direction and tilt towards circumferencial direction, is formed with recess in the both sides of described guide surface.
The assembly structure of the axle of the 4th invention is on the basis of second invention, described protuberance is the axially outstanding protruding dowel (protruding ダ ボ) towards driven shaft, be arranged on the described driven shaft, described driven gear forms and is supported in described casing temporarily, recess forms the recessed dowel (recessed ダ ボ) towards axial depression, can accommodate described protruding dowel, described guide surface is the conical surface towards the circumferencial direction inclination that is formed on the described recessed dowel.
The assembly structure of the axle of the 5th invention is that described recess is arranged on the described casing on the basis of first invention, and described guide surface is arranged on the described casing.
The assembly structure of the axle of the 6th invention is on the basis of the 5th invention, but described driven gear one is supported in described driven shaft rotatably, described protuberance is arranged on the extending portion of described driven shaft end, described recess is the driven shaft supported hole that is formed on the described casing, and described guide surface is the fan-shaped conical surface towards described driven shaft supported hole towards axioversion.
The assembly structure of the axle of the 7th invention is characterised in that to have: live axle; Support the casing of described live axle; Cover the lid in the axial outside of the live axle of described casing; Be arranged on the described supplementary equipment that covers; Driven shaft, it drives described supplementary equipment, is supported on described covering abreast with described live axle, has towards radially outstanding engagement portion; Be supported on the actuation gear on the described live axle; Driven gear, itself and described actuation gear mesh, be provided with the hole that described driven shaft is passed in rotating shaft center, have towards axially outstanding wheel hub (ボ ス), has the chimeric portion that is stuck in a plurality of and described engagement portion in a circumferential direction, with the state of described actuation gear engagement under, make the periphery of described wheel hub be supported in described casing temporarily.
The assembly structure of the axle of the 8th invention is on the basis of the 7th invention, described live axle is a bent axle, described driven shaft is positioned at the below of described live axle, described casing is the crankcase that supports described bent axle, described casing has the wheel hub of giving prominence to towards crankshaft direction from the vertical wall that supports described bent axle, and the wheel hub of described casing supports the wheel hub of described driven gear.
The assembly structure of the axle of the 9th invention is on the basis of the 7th or eight inventions, links mutually by mutual chimeric described driven shaft and the described driven gear of making of the spline that makes week in the hub portion that is formed on described driven shaft periphery and described driven gear.
The assembly structure of the axle of the tenth invention is on the basis of arbitrary invention in first to nine, and described casing is a crankcase, and described live axle is a bent axle, and described supplementary equipment is an oil pump, is provided with oil rectifier described covering.
According to first invention, because live axle and the driven shaft parallel configuration that drives supplementary equipment, so casing and cover narrowed width on the live axle direction, can realize miniaturization.And, because when Jiang Gai is assembled to casing, the axial protuberance of the driven shaft that supports by lid be set at the guide surface guiding of casing side and embed be arranged on the casing side and with the continuous recess of described guide surface, therefore carry out the assembling work of driven gear and driven shaft easily.
According to second invention, the guide surface guiding that is set on the driven gear owing to the axial protuberance that is supported on the driven shaft that covers embeds the recess that is arranged on the driven gear, therefore carries out the assembling work of driven gear and driven shaft easily.
According to the 3rd invention, because when the recess of cylindric pin parts that make driven shaft and driven gear is chimeric, pin parts cylindraceous are along being arranged on coming to a point and sliding towards the guide surface that circumferencial direction tilts towards the driven shaft direction on the driven gear, be introduced into the recess that is formed at the guide surface both sides, driven shaft embeds the direction rotation of recess along protuberance, resistance when therefore guiding reduces, and carries out assembling work easily.And, owing to make the engagement of driven gear and actuation gear in advance and be supported in casing, the therefore operation that when Jiang Gai is mounted on the casing, actuation gear and driven gear is engaged with each other temporarily.
According to the 4th invention,, therefore can improve the intensity of linking department because driven shaft and driven gear link mutually by the protruding dowel of driven shaft and the recessed dowel that is arranged on the driven gear.And, owing on recessed dowel, be formed with the conical surface that tilts towards circumferencial direction, if therefore make driven shaft near driven gear for assembling, then protruding dowel is guided by the conical surface and embeds recessed dowel, and driven shaft is along the chimeric direction rotation of protruding dowel and recessed dowel, resistance when therefore guiding reduces, and carries out assembling work easily.And, owing to make the engagement of driven gear and actuation gear in advance and be supported on the casing the therefore operation that when Jiang Gai is mounted on the casing, actuation gear and driven gear is engaged with each other temporarily.
According to the 5th invention, the face guiding embeds and the recess of guide surface adjacency owing to the axial protuberance that is supported on the driven shaft that covers is directed, and protuberance and recess are chimeric mutually, therefore carry out the assembling work of driven shaft easily.
According to the 6th invention, because when the assembling work of covering with casing, make driven gear rotation and with the actuation gear engagement after, lid is slided towards driven axial casing side, thereby be assemblied in the fan-shaped conical surface that the driven shaft that covers is set on the casing and guide to the driven shaft supported hole, therefore improved the assembling of supplementary equipment and lid.
According to the 7th invention, make the engagement of driven gear and actuation gear and by casing interim support the wheel hub that is arranged on the driven gear after, owing to be that driven shaft is assemblied on the driven gear, therefore gear engagement operation and driven shaft assembling work can independently carried out in the operation, carry out the assembling work of supplementary equipment easily.And, because the wheel hub that is arranged on the driven gear is increased along the driven shaft direction, therefore can prevent driven gear overturning during interim the support by casing, can access interim preferably support effect.
According to the 8th invention, can the reinforcing crankshafts case by the wheel hub that is arranged on crankcase side.
According to the 9th invention, owing to be formed with spline on week in the hub portion of the periphery of driven shaft and driven gear, chimeric driven shaft and the driven gear of making by this spline links, and therefore easy increase driven shaft engages opportunity with driven gear.
According to the tenth invention, owing to be provided with oil pump and oil rectifier covering, therefore oil circuit can be concentrated to be formed on cover, thereby carry out the processing of oil circuit easily or shorten oil circuit.
Description of drawings
Fig. 1 is the right elevation of a mode of execution of the autobicycle 1 of expression internal-combustion engine that the assembly structure that has adopted axle of the present invention is installed.
Fig. 2 is the longitudinal section that the part of internal-combustion engine of the present invention has been adopted in expression.
Fig. 3 is the outer side view (right elevation among Fig. 2) of first embodiment's driven gear.
Fig. 4 is the IV-IV sectional view of Fig. 3.
Fig. 5 is the V-V sectional view of Fig. 3.
Fig. 6 is the VI-VI sectional view of Fig. 3.
Fig. 7 is the VII-VII sectional view of Fig. 2.
Fig. 8 represents first embodiment's assembling work state.
Fig. 9 represents first embodiment's assembling work state.
Figure 10 is the longitudinal section of a part of the internal-combustion engine of the expression assembly structure that is suitable for second embodiment.
Figure 11 is the inner side view (left view among Figure 10) of second embodiment's binding parts.
Figure 12 is the outer side view (right elevation among Figure 10) of second embodiment's driven gear.
Figure 13 is the XIII-XIII amplification view of Figure 12.
Figure 14 is the longitudinal section of a part of the internal-combustion engine of the expression assembly structure that is suitable for the 3rd embodiment.
Figure 15 is the XV-XV sectional view of Figure 14.
Figure 16 is the longitudinal section of a part of the internal-combustion engine of the expression assembly structure that is suitable for the 4th embodiment.
Figure 17 is that expression is suitable for the longitudinal section with reference to the part of the internal-combustion engine of assembly structure.
Description of reference numerals
1 autobicycle, 2 main frames, 3 underframes, 4 bottom frames, 5 central frame
Pipe 11 front forks before 6 afterframes, 7 bearing supports, 8 fuel tanks, 9 seats 10
15 16 trailing wheel 17 back buffer assemblies of 12 front-wheels, 13 handles, 14 back vents
20 internal-combustion engines, 21 cylinder seats, 22 cylinder heads, 23 housings, 24 cylinders, 25 connecting rods
26 metal bearings, 27 keys, 28 packing rings, 29 nuts, 31 generators, 33 wheel hubs
Assembly structure 41 bent axles 42 crankcases 43 wheel hubs that 35 bolts are 40
44 case lids, 45 wheel hubs, 46 wheel hubs, 47 oil pump setting-in portions, 48 actuation gears
49 protuberances, 50 driven gears, 51 holes, 52 wheel hubs, 53 recesses, 54 guide portion
55 guide surfaces, 60 oil pumps, 61 external rotors, 62 internal rotors, 63 slot parts
64 central shaft holes, 65 oil pump shafts, 66 pins, 67 oil pump supporting parts, 68 holes
The assembly structure that 69 pins, 70 food trays, 71 oil filters, 72 oil circuits, 73 oil circuits are 80
81 link parts 82 protruding dowel 83 end faces 84 bottom surfaces 85 driving faces
86 conical surfaces, 87 holes, 88 slot parts, 90 driven gears, 91 wheel hubs, 92 recessed dowels
The assembly structure that 94 end faces, 95 driving faces, 96 conical surfaces, 97 holes, 93 bottom surfaces are 100
101 driven gears, 102 slot parts, 103 oil pump shafts, 104 oil pump supporting parts
105 cylindrical portion, 106 wheel hubs, 107 driven shaft supported holes, 108 guide surfaces
Assembly structure 111 driven gears 112 wheel hubs that 109 conical surfaces are 110
Assembly structure 116 driven gears that 113 wheel hubs, 114 oil pump back shafts are 115
117 slot parts, 118 oil pump shafts, 119 grooves, 120 circlips, 121 oil rectifiers
Embodiment
Below, embodiments of the present invention are described.
As shown in Figure 1, in the autobicycle 1 of the internal-combustion engine that the assembly structure that has adopted axle of the present invention is installed, underframe 3 extends to the rear lower side from the front end of main frame 2, and bottom frame 4 extends from the lower end of this underframe 3.And the rear end of this bottom frame 4 by bearing support 7 and the central frame 5 of below the central part of described main frame 2, extending the end and the end of the afterframe 6 that extends from the rear portion of main frame 2 link.Front portion on main frame 2 is equipped with fuel tank 8, and its rear is provided with seat 9.
Front fork 11 passes the preceding pipe 10 that is configured in described main frame 2 front ends and is diverted support freely, and front-wheel 12 rotations are supported on the lower end of this front fork 11 freely.Above front fork 11, be provided with handle 13.And on described bearing support 7, the front end of back vent 14 is by axle 15 pivotal support, and trailing wheel 16 rotations are supported on the rear end of rearward extending of this back vent 14 freely.Between the rear portion of the rear portion of described main frame 2 and back vent 14, back buffer assembly 17 is installed.
In the space that described main frame 2, underframe 3 and central frame 5 are surrounded, along internal-combustion engine 20 being installed through the fore-and-aft direction vertical (vehicle center face) of vehicle center, the cylinder axis of this internal-combustion engine 20 up, crankshaft center line is towards the width of the carbody direction.
This internal-combustion engine 20 is single-cylinder quartastroke engines, cylinder seat 21, cylinder head 22 and housing 23 by bolt overlap each other ground one be attached on the crankcase 42 of dividing right and left.Be embedded with cylinder 24 in the inboard of described cylinder seat 21, be embedded with not shown piston sliding freely in cylinder 24, bent axle 41 links via connecting rod 25 mutually with piston.
First embodiment
Below, referring to figs. 2 to Fig. 9 the assembly structure 40 of the axle of first embodiment of the invention is described.
As shown in Figure 2, this assembly structure 40 has: as the bent axle 41 of live axle; Supporting driving shaft is the crankcase 42 of bent axle 41; Cover the case lid 44 in the crankshaft center line direction outside of crankcase 42; Be arranged on the oil pump 60 on the case lid 44; Oil pump shaft 65, it is a driven shaft, drives the oil pump 60 as supplementary equipment one example, is supported on the case lid 44 in the mode parallel with bent axle 41; Be supported on the actuation gear 48 on the bent axle 41; Driven gear 50, it drives oil pump shaft 65, but one is supported by oil pump shaft 65 rotatably; Protuberance 49, it is the engagement portion, is arranged on the oil pump shaft 65, towards radially giving prominence to of axle; Recess 53, it is arranged on the driven gear 50, caves in towards axial direction; Guide surface 55, it is so that described protuberance 49 embeds the mode of described recess 53 to described protuberance 49 channeling conducts.
Described crankcase 42 is by bolt left crankcase 42L and right crankcase 42R to be linked with the mode one that clips cylinder axis.The left side loading and unloading of left crankcase 42L are equipped with left case lid 44L freely, and the right side loading and unloading of right crankcase 42R are equipped with right case lid 44R freely.Described bent axle 41 rotations are supported by the pair of metal bearing 26 that is arranged in described left and right sides crankcase 42L, the 42R freely.
And, the left side of described bent axle 41 directly links generator 31, one is embedded with actuation gear 48 by key 27 on the right side, and the right side of actuation gear 48 is separated with packing ring 28 and has screwed togather nut 29, and the rotatable earth's axis in the right part of bent axle 41 is supported in the wheel hub 45 of right case lid 44R.
Below the right part of described bent axle 41, dispose the oil pump 60 that constitutes by external rotor 61 and internal rotor 62, the oil pump shaft 65 that drives these oil pump 60 rotations forms the shape that its inner end 65a (left end of Fig. 2) attenuates for front end, point to the direction parallel, via actuation gear 48 and driven gear 50 and by bent axle 41 drivings with bent axle 41.
Be formed with in the inside portion of described right case lid 44R pivotal support oil pump axle head wheel hub 46, be used for the oil pump setting-in portion 47 of setting-in oil pump 60, in this oil pump setting-in portion 47, be embedded with described external rotor 61, internal rotor 62 is assemblied on described outer dress 61.
Be provided with slot part 63 on the right crankcase side end face of described internal rotor 62, near the pin 66 in the outside that is flush-mounted in oil pump shaft 65 is embedded in this slot part 63.And being formed with on internal rotor 62 with its running shaft is the central shaft hole 64 at center, and described oil pump shaft 65 inserts this central shaft hole 64.
The oil pump shaft 65 that is embedded with pin 66 inserts in the central shaft hole 64 that is arranged on the described internal rotor 62, and pin 66 is flush-mounted in described slot part 63.After the inner end 65a with this oil pump shaft 65 embeds the hole 68 that is arranged on the oil pump supporting part 67, by bolt 35 oil pump supporting part 67 is combined with right case lid 44R one, so being rotated, oil pump 60 and oil pump shaft 65 be installed in freely on the right case lid 44R, described oil pump shaft 65 rotates the hole 68 in wheel hub 46 with the oil pump supporting part 67 of right case lid 44R of pivotal support freely, and oil pump shaft 65 and internal rotor 62 are via pin 66 transmissions.
Near the inboard of oil pump shaft 65, being provided with towards the radially outstanding engagement portion of oil pump shaft 65 is protuberance 49.This protuberance 49 is by being constituted by the two end part with the pin 69 of the mode setting-in vertical with the axial direction of oil pump shaft 65.
And described right crankcase 42R is provided with the parallel to an axis of bent axle 41 and is the wheel hub 43 of central shaft with the elongation line of the shaft centre line of oil pump shaft 65, rotatably Spielpassung (Swam embedding of driven gear 50) on this wheel hub 43.
Left and right sides crankcase 42R, 42L form food tray 70 below crankcase, upper right at food tray 70, right crankcase 42R and right case lid 44R clamping oil filter 71, right crankcase 42R and right case lid 44R form oily path 72 above oil filter 71, suck oil via being formed at the oily path 73 in the right case lid 44R from the suction port 50a of oil pump 60.And oil pump exhaust port 50b is communicated with not shown oily path, and the oil that oil pump 60 is discharged is by force feed each one to internal-combustion engine.
Extremely shown in Figure 6 as Fig. 3, described driven gear 50 and actuation gear 48 engagements, its center is provided with the hole 51 that oil pump shaft 65 is passed, and is provided with wheel hub 52 on the inner side end (left end face among Fig. 2) of this driven gear 50, and these wheel hub 52 Spielpassung are in the described wheel hub 43 that is arranged on the right case lid 44R.On the outside of driven gear 50 end face (its right end face among Fig. 2), in a circumferential direction across angle same be arranged at intervals be from the center of driven gear 50 radial that disperse, groove width certain and towards a plurality of recesses 53 of axial depression, the outer side surface observation (observing from the right flank of Fig. 2) that is respectively equipped with between this recess 53 from driven gear 50 is fan-shaped guide portion 54, is formed with the guide surface 55 that tilts from crestal line towards circumferencial direction along its width direction center line in this guide portion 54.
As Fig. 8 and shown in Figure 9, when the right case lid 44R with described internal-combustion engine 20 is assembled to right crankcase 42R, at first make driven gear 50 and driving wheel 48 engagements, wheel hub 52 Spielpassung that make driven gear 50 are in the wheel hub 43 of right crankcase 42R.If make the assigned position of right case lid 44R thereafter near right crankcase 42R right side, then oil pump 60 and oil pump shaft 65 are incorporated into this right side case lid 44R by oil pump supporting part 67 and by bolt 35 one, therefore the pin 69 that is inlaid on the oil pump shaft 65 contacts with arbitrary guide surface 55 on the guide portion 54 that is arranged on driven gear 50, to be protuberance 49 be directed along the tilt slide of guide surface 55 at the two end part of this pin 69, and then embed the arbitrary recess 53 that is formed at guide surface 55 both sides.Thus, as Fig. 2 and shown in Figure 7, oil pump shaft 65 links via pin 69 with driven gear 50, and the driving force of driven gear 50 is passed to oil pump shaft 65.
Because present embodiment has above structure, therefore can make live axle is that bent axle 41 is that oil pump shaft 65 disposes side by side with driven shaft, thereby has shortened the width on the crankshaft direction of internal-combustion engine 20, has realized the miniaturization of internal-combustion engine 20.
And, when right case lid 44R is assembled to right crankcase 42R, owing to make driven gear 50 and driving wheel 48 engagements in advance, to be arranged on wheel hub 43 Spielpassung on the right crankcase 42R to the wheel hub 52 of driven gear 50, make driven gear 50 be supported in right crankcase 42R temporarily, therefore, need not driven gear 50 is assembled to driving wheel 48 from narrow space between right crankcase 42R and the right case lid 44R, thereby carry out the engagement operation of driving wheel 48 and driven gear 50 easily.
And, when right case lid 44R is assembled to right crankcase 42R, if make right case lid 44R near right crankcase 42R, then be flush-mounted in by the pin on the oil pump shaft 65 of right case lid 44R and oil pump supporting part 67 pivotal support 69 with in advance with driving wheel 48 engagements and be supported in guide surface 55 butts of arbitrary guide portion 54 of driven gear 50 of the wheel hub of right crankcase 42R temporarily, slide along guide surface 55, and then be introduced into the recess 53 that is formed at the slip surface both sides, oil pump shaft 65 embeds the direction rotation of recess 53 along pin 69, resistance when therefore oil pump shaft 65 is with driven gear 50 assemblings reduces, and carries out assembling operation easily.
In addition, when right case lid 44R is assembled to right crankcase 42R, because driven gear 50 is supported with driving wheel 48 engagements and by right crankcase 42R temporarily, and the inner end 65a of oil pump shaft 65 forms the thin shape of front end, and the pin 69 that is inlaid on the oil pump shaft 65 is introduced recess 53 by the guide surface 55 of the guide portion 55 of driven gear 60, even therefore estimate from narrow space between right crankcase 42R and the right case lid 44R, also can easily oil pump shaft 65 be inserted the central shaft hole 51 that is arranged on the driven gear 50, and can easily will sell the recess 53 of 69 setting-ins, thereby improve the operation of assembling work to driven gear 50.
Second embodiment
Below, with reference to figures 10 to Figure 13 the assembly structure 80 of second embodiment's axle is described.
But the assembly structure 80 of second embodiment's axle has driven gear 90, engage the binding parts 81 that one also is supported in oil pump shaft 65 rotatably with driven gear 90, with replace first embodiment spool the driven gear 50 of assembly structure 40.
As shown in figure 11, described binding parts 81 are configured in the outside (right side among Figure 10) of driven gear 90, and its center is provided with the hole 87 that oil pump shaft 65 is passed.It is that the axially outstanding protuberance of oil pump shaft 65 is protruding dowel 82 that the inner side end of these binding parts 81 (left end face among Figure 10) is provided with towards driven shaft, and the side end face is provided with and is inlaid in the chimeric slot part 88 of pin 69 on the oil pump shaft 65 outside.This protruding dowel 82 is made of end face 83, bottom surface 84, driving face 85 and the conical surface 86, each face is radial by the running shaft with respect to oil pump shaft 65 and cuts apart, end face 83 is towards the side-prominent face of driven gear 90, end face 83 is partitioned into an end 83a via being connected with bottom surface 84 perpendicular to the driving face 85 of end face 83, and another end 83b of end face 83 is connected with bottom surface 84 via the conical surface 86.
And, as shown in figure 12, be provided with the hole 97 that oil pump shaft 65 is passed at the center of described driven gear 90, on inner side end, be formed with wheel hub 91 equally with first embodiment, it is recessed dowel 92 that its outside end face is provided with the recess of accommodating described protruding dowel 82.Described recessed dowel 92 is formed with end face 93, bottom surface 94, driving face 95 and the conical surface 96 in the mode that contacts with the end face 83 that is formed at protruding dowel 82, bottom surface 84, driving face 85 and the conical surface 86.The described conical surface 96 is connected to the circumferencial direction inclination and with bottom surface 93 towards linking 94 beginnings of the side-prominent end face of parts on the driven shaft direction from beginning.
And, as shown in figure 13, the end 94a of driven gear 90 sense of rotation sides is connected in the driving face 95 of the recessed dowel 92 of driven gear 90 and the end of end face 94, driven gear 90 is after driving wheel 48 rotations drive, and rotating power is passed to the driving face 85 that links parts 81 from the driving face 95 of driven gear 90.
When this assembly structure 80 of assembling, at first, make driven gear 90 be supported in right crankcase 42R with wheel hub 91 setting-ins of driven gear 90 wheel hub 43 to right crankcase 42R temporarily.Make pivotal support embed the hole 87 that links parts 81, will be inlaid in pin 66 setting-ins on the oil pump shaft 65 to the slot part 88 that links parts 81 in the oil pump shaft 66 of right case lid 44R thereafter.And the right case lid 44R that makes one be equipped with oil pump 60, oil pump shaft 65 and link parts 81 is near right crankcase 42R, and the hole 97 that makes oil pump shaft 66 insert driven gear 90 makes the recessed dowel 92 of driven gear 90 engage with the protruding dowel 82 that links parts 81.
Because the assembly structure 80 of second embodiment's axle has said structure, if make right case lid 44R near right crankcase 42R, by the end face 83 of pin 69 with the protruding dowel 82 of the binding parts 81 of oil pump shaft 65 one binding, by the conical surface 96 of the recessed dowel 92 of driven gear 90 so that protruding dowel 82 and recessed dowel 92 chimeric modes guide, and then oil pump shaft 65 is along the chimeric direction rotation of protruding dowel 82 and recessed dowel 92, resistance when therefore guiding reduces, and carries out assembling operation easily.
The 3rd embodiment
With reference to figs. 14 to Figure 15 the assembly structure 100 of the 3rd embodiment's axle is described.
The assembly structure 100 of the 3rd embodiment's axle has driven gear 101, oil pump shaft 103, oil pump supporting part 104, driven gear 50, oil pump shaft 65 and the oil pump supporting part 67 of assembly structure 40 with the axle that replaces first embodiment, and have: axle extending portion 103a, it is a protuberance, and described oil pump shaft 103 is prolonged along axial direction; Wheel hub 106, it is arranged on the right crankcase 42R; Driven shaft supported hole 107, it is the recess that is arranged on the described wheel hub 106; Guide surface 108, it is arranged on the internal surface of described wheel hub 106, the axle extending portion 103a of guiding oil pump shaft 103; The conical surface 109, it is the part of guide surface 108.
The inner side end 101a of described driven gear 101 (left end face among Figure 14) is provided with slot part 102, and the pin 69 that is inlaid on the oil pump shaft 103 is embedded in this slot part 102.The front end of the axle extending portion 103a of described oil pump shaft 103 forms the face with the axial direction quadrature.And, on described oil pump supporting part 104, being formed with cylindrical portion 105, this cylindrical portion 105 is extended towards the driven gear side, until contacting with the outside end face 101b of driven gear.
As shown in figure 15, described wheel hub 106 is arranged on the described right crankcase 42R, when observing, the oil pump shaft direction is fan-shaped, on this wheel hub 106, be provided with driven shaft supported hole 107, the parallel to an axis of this driven shaft supported hole 107 and bent axle 41 and be central shaft with the elongation line of the shaft centre line of oil pump shaft 103, be formed with guide surface 108, this guide surface 108 has from wheel hub 106 beginnings towards the conical surface 109 of driven shaft supported hole 107 with respect to the oil pump axis tilt.
The assembly structure 101 of axle is assembled in the following manner.At first will sell 69 setting-ins to oil pump shaft 103, with driven gear 101 from oil pump side setting-in to oil pump shaft 103, thereafter so that the contacted mode setting-in of the outside end face 101b oil pump supporting part 104 of the inner end 105a of cylindrical portion 105 and driven gear 101.And will sell 66 and insert oil pump shaft 103, make described pin 66 embed the slot part 63 of internal rotor 62, make the outboard end 103b of oil pump shaft 103 embed the central shaft hole 64 of internal rotor 62 and the wheel hub 46 of right case lid 44R, oil pump supporting part 104 and right case lid 44R one are linked by not shown bolt.
Thereafter, if make right crankcase 42R for assembling near right crankcase 42R, then the axle extending portion 103a butt of oil pump shaft 103 also is supported in the guide surface 108 of wheel hub 106 temporarily, make driven gear 101 rotation and with actuation gear 48 engagements, right case lid 44R is slided along the oil pump axial direction, then axle extending portion 103a through being arranged on the conical surface 109 on the guide surface 108 guiding and insert driven shaft supported hole 107.
Because the assembly structure 100 of axle has above structure, therefore when assembling, oil pump shaft 103 is supported in the guide surface 108 of wheel hub 106 temporarily, make easily driven gear 101 rotation that is supported in oil pump shaft 103 and with actuation gear 48 engagements, and after engagement, slide along the oil pump axial direction, the axle extending portion 103a of oil pump shaft 103 is set at the conical surface 109 of the guide surface 108 on the wheel hub 106 and introduces driven shaft supported hole 107, even therefore estimate from narrow space between right crankcase 42R and the right case lid 44R, also can easily carry out supplementary equipment is oil pump 60, the assembling of case lid 44.
The 4th embodiment
With reference to Figure 16 the 4th embodiment is described.
The assembly structure 110 of the 4th embodiment's axle has driven gear 111, oil pump shaft 114 and oil pump supporting part 104, with the driven gear 50 and the oil pump shaft 65 of assembly structure 40 of the axle that replaces first embodiment.
Described driven gear 111 is formed with the wheel hub 112 and 113 that prolongs along the axial direction of oil pump shaft respectively in oil pump side and crankcase side, is formed with spline on the inner peripheral surface 113a of wheel hub 113.And, the inner end 114a of described oil pump shaft 114 forms the shape that front end attenuates, with this inner end 114a in abutting connection with and with the outer circumferential face 114b of the contacted part of inner peripheral surface 113a of described wheel hub 113 on be formed with spline, be embedded in described wheel hub 113 inner peripheral surface 113a.And, on oil pump supporting part 104, being formed with cylindrical portion 105, this cylindrical portion 105 prolongs towards the driven gear side, until contacting with the outside end face of driven gear.
Because the assembly structure 110 of axle has above structure, after making driven gear 111 be supported in the wheel hub 43 of right crankcase 42R temporarily, the oil pump shaft 114 that is assemblied on the right case lid 44R is inserted in the wheel hub 112,113 of driven gear 111, so the inner peripheral surface 113a of the wheel hub 113 of the outer circumferential face 114b of oil pump shaft 114 and driven gear 111 is connected by spline is chimeric.Because oil pump shaft 113 is connected by spline is chimeric with driven gear 112, therefore can increases engaging opportunity simply, thereby improve assembling.
Reference example
With reference to Figure 17 reference example is described.
The assembly structure 115 of the axle of reference example has driven gear 116, oil pump shaft 118, oil pump supporting part 104 and circlip 120, with driven gear 50, oil pump shaft 65 and the oil pump supporting part 67 of assembly structure 40 of the axle that replaces first embodiment, and do not form wheel hub 43 on the right crankcase 42R.
The outside end face of described driven gear 116 is provided with slot part 117, and the pin 69 that is inlaid on the oil pump shaft 118 is embedded in this slot part 117.The inner side end 118a of described oil pump shaft 118 forms and axial direction plane orthogonal roughly, and, on the axle outer circumferential face of inner end, be formed with and be used for the groove 119 that engages with circlip 120.
Because this assembly structure 115 has above structure, therefore assemble in the following manner.At first oil pump 60 and oil pump supporting part 104 are assemblied on the right case lid 44R, to sell 49 is inlaid on the oil pump shaft 118, so that 69 modes that embed the slot part 117 of driven gear 116 of selling make driven gear 116 embed oil pump shaft 118, and circlip 120 is engaged with the groove 119 of oil pump shaft 118.Make right case lid 44R near right crankcase 42R, make driven gear 116 and actuation gear 48 engagements, assemble thereafter.
According to this reference example, because oil pump shaft 118 cantilever support on right case lid 44R, are therefore carried out the engagement of actuation gear 48 and driven gear 116 easily, thereby improved assembling.
In described first to fourth embodiment, be oil pump by driven shaft-driven supplementary equipment, but also can be other supplementary equipment such as working pump or balace weight.
And, also can in right case lid 44R, oil rectifier 121 be set.If oil rectifier 121 is arranged in the right case lid 44R, owing in right case lid 44R, be provided with oil pump 60, then oil circuit can be concentrated to be formed on to cover, carry out the processing of oil circuit easily or shorten oil circuit.

Claims (10)

1. the assembly structure of an axle is characterized in that, has:
Live axle;
Support the casing of described live axle;
Cover the lid in the axial outside of the live axle of described casing;
Be arranged on the described supplementary equipment that covers;
Be supported in described lid in the mode parallel, drive the driven shaft of described supplementary equipment with described live axle;
Be supported in the actuation gear of described live axle;
Driven gear, the engagement of itself and described actuation gear, but one is supported in described driven shaft rotatably, thus with described driven shaft overlapping configuration in the axial direction;
Axially or radially outstanding protuberance towards described driven shaft;
Recess, it towards axial depression, is arranged on the casing side when described lid is assembled to described casing in the mode that can accommodate described protuberance;
Guide surface, itself and described recess are continuous, are arranged on the casing side when described lid is assembled to described casing, make described protuberance embed described recess to described protuberance channeling conduct.
2. the assembly structure of axle according to claim 1 is characterized in that,
Described recess is arranged on the described driven gear,
Described guide surface is arranged on the described driven gear.
3. the assembly structure of axle according to claim 2 is characterized in that,
Described protuberance is arranged on the described driven shaft, towards radially outstanding cylindric pin parts,
Described driven gear and the engagement of described actuation gear are supported in casing temporarily,
Described guide surface is made of the conical surface that comes to a point towards described driven shaft direction and tilt towards circumferencial direction,
Be formed with described recess in the both sides of described guide surface.
4. the assembly structure of axle according to claim 2 is characterized in that,
Described protuberance is arranged on the described driven shaft, towards the axially outstanding protruding dowel of driven shaft,
Described driven gear is supported in described casing temporarily, and recess forms the recessed dowel towards axial depression, can accommodate described protruding dowel,
Described guide surface is the conical surface towards the circumferencial direction inclination that is formed on the described recessed dowel.
5. the assembly structure of axle according to claim 1 is characterized in that,
Described recess is arranged on the described casing,
Described guide surface is arranged on the described casing.
6. the assembly structure of axle according to claim 5 is characterized in that,
But described driven gear one is supported in described driven shaft rotatably,
Described protuberance is arranged on the extending portion of described driven shaft end,
Described recess is the driven shaft supported hole that is formed on the described casing,
Described guide surface is the fan-shaped conical surface towards described driven shaft supported hole towards axioversion.
7. the assembly structure of an axle is characterized in that, has:
Live axle;
Support the casing of described live axle;
Cover the lid in the axial outside of the live axle of described casing;
Be arranged on the described supplementary equipment that covers;
Driven shaft, it drives described supplementary equipment, is supported on described covering abreast with described live axle, has towards radially outstanding engagement portion;
Be supported on the actuation gear on the described live axle;
Driven gear, itself and described actuation gear mesh, be provided with the hole that described driven shaft is passed in rotating shaft center, have towards axially outstanding wheel hub, has the chimeric portion that is stuck in a plurality of and described engagement portion in a circumferential direction, with the state of described actuation gear engagement under, make the periphery of described wheel hub be supported in described casing temporarily.
8. the assembly structure of axle according to claim 7 is characterized in that,
Described live axle is a bent axle,
Described driven shaft is positioned at the below of described live axle,
Described casing is the crankcase that supports described bent axle,
Described casing has the wheel hub of giving prominence to towards crankshaft direction from the vertical wall that supports described bent axle,
The wheel hub of described casing supports the wheel hub of described driven gear.
9. according to the assembly structure of claim 7 or 8 described axles, it is characterized in that,
Link by chimeric mutually described driven shaft and the described driven gear of making of the spline that makes week in the hub portion that is formed on described driven shaft periphery and described driven gear.
10. according to the assembly structure of each described axle in the claim 1 to 9, it is characterized in that,
Described casing is a crankcase,
Described live axle is a bent axle,
Described supplementary equipment is an oil pump,
Be provided with oil rectifier described covering.
CN201110044666.3A 2010-02-26 2011-02-24 Assembly structure of shaft Expired - Fee Related CN102168611B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP042630/10 2010-02-26
JP2010042630A JP5480665B2 (en) 2010-02-26 2010-02-26 Shaft assembly structure

Publications (2)

Publication Number Publication Date
CN102168611A true CN102168611A (en) 2011-08-31
CN102168611B CN102168611B (en) 2015-03-04

Family

ID=44489903

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201110044666.3A Expired - Fee Related CN102168611B (en) 2010-02-26 2011-02-24 Assembly structure of shaft

Country Status (3)

Country Link
JP (1) JP5480665B2 (en)
CN (1) CN102168611B (en)
BR (1) BRPI1101808B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112627973A (en) * 2021-01-11 2021-04-09 重庆宗申发动机制造有限公司 Range extender for motorcycle

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6452742B2 (en) * 2017-03-07 2019-01-16 本田技研工業株式会社 Oil filter structure of internal combustion engine

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5119905A (en) * 1991-10-28 1992-06-09 General Motors Corporation Accessory drive spline lubrication system for a turbine engine reduction gear box
JPH0475120U (en) * 1990-11-07 1992-06-30
JPH06288214A (en) * 1992-02-28 1994-10-11 Kawasaki Heavy Ind Ltd Oil pump installation structure of internal combustion engine
JPH0913985A (en) * 1995-06-29 1997-01-14 Yamaha Motor Co Ltd Pump layout structure for engine
CN1199812A (en) * 1997-05-21 1998-11-25 本田技研工业株式会社 Two-stroke internal combustion engine
JP2003161133A (en) * 2001-11-28 2003-06-06 Suzuki Motor Corp Lubricant cooling structure of motorcycle
JP2005090662A (en) * 2003-09-18 2005-04-07 Honda Motor Co Ltd Lubricating structure of bearing
JP2006152920A (en) * 2004-11-29 2006-06-15 Honda Motor Co Ltd Structure of oil pump assembly
JP2008184989A (en) * 2007-01-31 2008-08-14 Yamaha Motor Co Ltd Engine and vehicle

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0475120U (en) * 1990-11-07 1992-06-30
US5119905A (en) * 1991-10-28 1992-06-09 General Motors Corporation Accessory drive spline lubrication system for a turbine engine reduction gear box
JPH06288214A (en) * 1992-02-28 1994-10-11 Kawasaki Heavy Ind Ltd Oil pump installation structure of internal combustion engine
JPH0913985A (en) * 1995-06-29 1997-01-14 Yamaha Motor Co Ltd Pump layout structure for engine
CN1199812A (en) * 1997-05-21 1998-11-25 本田技研工业株式会社 Two-stroke internal combustion engine
JP2003161133A (en) * 2001-11-28 2003-06-06 Suzuki Motor Corp Lubricant cooling structure of motorcycle
JP2005090662A (en) * 2003-09-18 2005-04-07 Honda Motor Co Ltd Lubricating structure of bearing
JP2006152920A (en) * 2004-11-29 2006-06-15 Honda Motor Co Ltd Structure of oil pump assembly
JP2008184989A (en) * 2007-01-31 2008-08-14 Yamaha Motor Co Ltd Engine and vehicle

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112627973A (en) * 2021-01-11 2021-04-09 重庆宗申发动机制造有限公司 Range extender for motorcycle
CN112627973B (en) * 2021-01-11 2022-07-12 重庆宗申发动机制造有限公司 Range extender for motorcycle

Also Published As

Publication number Publication date
JP2011179356A (en) 2011-09-15
BRPI1101808A2 (en) 2013-05-14
CN102168611B (en) 2015-03-04
BRPI1101808B1 (en) 2020-12-08
JP5480665B2 (en) 2014-04-23

Similar Documents

Publication Publication Date Title
KR100558422B1 (en) Engine
JPH0656193B2 (en) Internal combustion engine with auxiliary transmission for vehicles
JP4688769B2 (en) Oil pump unit for internal combustion engine
US8316815B2 (en) Oil storage structure for engine, engine incorporating same, and vehicle incorporating same
US8720404B2 (en) Balance shaft assembly for vehicle
JP3953298B2 (en) Vehicle power unit
CN102168611A (en) Assembly structure of shaft
JP4789833B2 (en) engine
JP6098619B2 (en) Vehicle drive device and method of assembling the same
EP2020536A2 (en) Cooling structure for belt type non-stage transmission
US11047272B2 (en) Engine lubrication system, engine, and vehicle
CN1646821B (en) Clutch mechanism lubricating structure of engine
JP2018079884A (en) Vehicle and engine unit
JP5079925B2 (en) Engine and saddle type vehicle
JP6819455B2 (en) Vehicle power transmission device
JP2008075713A (en) Vehicle engine
CN111306286B (en) Power unit
CN109469683B (en) Bearing race with serrations
US6422193B2 (en) Crank shaft support structure of engine
JP6963116B2 (en) Cover structure of power unit of saddle type vehicle
JP4031683B2 (en) Dry sump 4-cycle engine
JP2009074677A (en) Engine and saddle type vehicle
JP3711266B2 (en) Single cylinder 4 cycle engine
EP2031275B1 (en) Engine and straddle type vehicle
JP5373526B2 (en) Crankcase structure of internal combustion engine

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150304

CF01 Termination of patent right due to non-payment of annual fee